body{
background-color: rgba(176, 224, 230, 1);
}
#loginFrame{
    background-color: black;
    width: 700px;
    height: 500px;
    position: absolute;
    margin-left: 28%;
    margin-top: 5%;
    border-radius: 20px;
    background-color: #dfdcce;
    opacity: 0.5;

}

#loginFrame p{
    font-size: 40px;
    font-family: youyuan;
    text-align: center;
    margin-top: 30px;
}

#account{
    margin-top: 50px;
    width: 500px;
    border-radius: 10px;
    margin-left: 110px;
}
#pwd{
    margin-top: 20px;
    width: 500px;
    border-radius: 10px;
    margin-left: 110px;
}
#account ::placeholder{
    text-align: center;
    color: black;
}

#loginDemo{
    width: 200px;
    margin-top: 80px;
    margin-left: 110px;
}
#regisTered{
    width: 200px;
    margin-top: 80px;
    margin-left: 90px;
}